/*
 * Copyright 2012 yura.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.opu.pc.ui.client.authentication;

import org.opu.pc.security.PreAuthenticatedAuthenticationToken;
import org.opu.pc.security.UserDetailsData;
import org.opu.pc.services.SystemSettingsService;
import org.opu.pc.ui.util.Logger;
import org.springframework.security.authentication.ProviderManager;
import org.springframework.security.core.AuthenticationException;

/**
 *
 * @author yura
 */
public class AuthenticationSystem {
    
    private static final Logger logger = Logger.create(AuthenticationSystem.class);
    private ProviderManager providerManager;
    private SystemSettingsService settingsService;

    public AuthenticationSystem(ProviderManager providerManager,
            SystemSettingsService settingsService) {
        this.providerManager = providerManager;
        this.settingsService = settingsService;
    }
    
    public void authenticat(){
        try {
            UserDetailsData.setAuthentication(providerManager.authenticate(
                    new PreAuthenticatedAuthenticationToken(null, null)));
        } catch (Exception ex) {
            logger.debug(ex);
            doDialogAuthentication();
        }
        
        logger.info("Authenticated as " + UserDetailsData.getCurrentUser().getUsername());
    }

    public void doDialogAuthentication() {
        AuthenticationDialog ad = new AuthenticationDialog(providerManager,
                settingsService.isGuestAvailable());
        ad.setVisible(true);
    }
    
}
